*{
    padding: 0;
    margin: 0;
}
a{
    text-decoration: none;
    color: #000;
}
.main{
    display: flex;
    margin: auto;
}
.main .left{
    width: 20%;
    padding-top: 20px;
    background-color: rgba(44,66,118,.06);
    height: 97vh;
}
.left i{
    margin-left: 20px;
}
.left a{
    display: inline-block;
    width: 85%;
    margin-left: 5px;
    padding: 5%;
}
.left a:hover{
    background: rgba(0, 0, 0, 0.11);
    border-radius: 5px;
}
.main .right{
    width: 70%;
    position: relative;
}
.main .div{
    position: absolute;
    left: 40px;
    top: 31px;
}
.right input{
    width: 50%;
    padding: 15px;
    border: none;
    background: rgba(0, 0, 0, 0.07);
    outline: none;
    border-radius: 5px;
    margin-left: 20px;
    margin-top: 20px;
    padding-left: 50px;
}
.right .div i{
    cursor: pointer;
}
.content{
    margin-left: 20px;
    width: 100%;
}
.content h2{
    margin-top: 10px;
    margin-bottom: 20px;
}
.content ul{
    width: 100%;
}
.content ul li{
    width: 90%;
    height: 70px;
    margin-top: 10px;
    list-style: none;
    line-height: 70px;
    padding-left: 50px;
    position: relative;
    background: #dedede;
    border-radius: 5px;
}
.content ul li span{
    width: 16px;
    height: 16px;
    border: 1px solid #000;
    border-radius: 50%;
    position: absolute;
    top: 25px;
    left: 20px;
    align-items: center;
    cursor: pointer;
}
.content ul li em{
    position: absolute;
    right: 18px;
    top: 27px;
    cursor: pointer;
}
.content i{
    position: absolute;
    cursor: pointer;
    top: 2px;
    left: 1px;
    z-index: 1;
    font-size: 12px;
}
.sc{
    text-decoration: line-through;
    color: #7d7b7b;
}
@media (max-width: 600px) {
    .main{
        width: 100%;
    }
    .main .left{
        width: 30%;
    }
    .main .right{
        width: 70%;
    }
    .left i{
        margin-left: 0;
    }
    .left span{
        font-size: 14px;
    }
    .content ul li{
        width: 55%;
    }
}